|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 1 (1 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1, 2, 3‐4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1, 2, 3‐4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 6); 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1984; 1985; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
1 to 49
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
2023
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
2023
|
|
|
Technische Informationsbibliothek
|
|
Preserved
|
2026-01-13
|
|
|
vol.32:1-4;vol.33:1-4;vol.34:1-4;vol.35:1-4;vol.36:1-4;vol.37:1-4;vol.38:1-4;vol.39:1-4;vol.40:1-4;vol.41:1-4;vol.42:1-4;vol.43:1-4;vol.44:1-4;vol.45:1-4;vol.46:1-4;vol.47:1-4;vol.48:1-4;vol.49:1-4;vol.50:1-4;vol.51:1-4;vol.52:1-4;vol.53:1-4;vol.54:1-4;vol.55:1-4
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2023: 2023, 2024: 2024, 2025: 2025, 2026: 2026
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1961/1962: 1(1-4), 1963: 2(1-4), 1964: 3(1-4), 1965: 4(1-4), 1966: 5(1-4), 1967: 6(1-4), 1968: 7(1-4), 1969: 8(1-4), 1970: 9(1-4), 1971: 10(1-4), 1972: 11(1-4), 1973: 12(1-4), 1974: 13(1-4), 1975: 14(1-4), 1976: 15(1-4), 1977: 16(1-4), 1978: 17(1-4), 1979: 18(1-4), 1980: 19(1-4), 1981: 20(1-4), 1984: 21(1-4), 1985: 22(1-4), 1987/1988: 23(1-4), 1989: 24(1-4), 1990: 25(1-4), 1991: 26(1-4), 1992: 27(1-4), 1993: 28(1-4), 1994: 29(1-4), 1995: 30(1-4), 1996: 31(1-4), 1997: 32(1-4), 1998: 33(1-4), 1999: 34(1-4), 2000: 35(1-4), 2001: 36(1-4), 2002: 37(1-4), 2003: 38(1-4), 2004: 39(1-4), 2005: 40(1-4), 2006: 41(1-4), 2007: 42(1-4), 2008: 43(1-4), 2009: 44(1-4), 2010: 45(1-4), 2011: 46(1-4), 2012: 47(1-4), 2013: 48(1-4), 2014: 49(1-4), 2015: 50(1-4), 2016: 51(1-4), 2017: 52(1-4), 2018: 53(1-4), 2019: 54(1-4), 2020: 55(1-4), 2021: 56(1-4), 2022: 57(1-6), 2025: 2025(1), 2026: 2026(1)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
6, 8, 14, 23, 26 to 57
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
2023; 2024
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 41 (1-4); 42 (1-4); 1067 (1)
|
